https://store.steampowered.com/app/1043000/Zen_Chess_Mate_in_Four/
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STEAM KEY REGION FREE GLOBAL

Zen Chess: Mate in Four is a minimalist chess puzzle game.

* Designed for chess lovers of all levels (even if you just learned how to move the pieces);
* Solve 50 carefully selected mate-in-four puzzles;
* Enjoy a minimalist, beautifully designed chess board and pieces;
* Original soundtrack, specially composed to help you keep your focus and concentration;
* Everything in the game was made with a lot of love and craftsmanship;

Can you find the four moves that will solve each puzzle? Give it a try and show yourself you are a truly chess master.